﻿using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
using System.IO;

namespace Common
{
    public class INIClass
    {
        public string inipath;
        [DllImport("kernel32")]
        private static extern long WritePrivateProfileString(string section, string key, string val, string filePath);
        [DllImport("kernel32")]
        private static extern int GetPrivateProfileString(string section, string key, string def, StringBuilder retVal, int size, string filePath);

        ///   <summary>   
        ///   构造方法   
        ///   </summary>   
        ///   <param   name="INIPath">文件路径</param>   
        public INIClass(string INIPath)
        {
            inipath = INIPath;
        }
        ///   <summary>   
        ///   写入INI文件   
        ///   </summary>   
        ///   <param   name="Section">项目名称(如   [DataTP]   )</param>   
        ///   <param   name="Key">键</param>   
        ///   <param   name="Value">值</param>   
        public void IniWriteValue(string Section, string Key, string Value)
        {
            WritePrivateProfileString(Section, Key, Value, this.inipath);
        }
        ///   <summary>   
        ///   读出INI文件   
        ///   </summary>   
        ///   <param   name="Section">项目名称(如   [DataTP]   )</param>   
        ///   <param   name="Key">键</param>   
        public string IniReadValue(string Section, string Key)
        {
            StringBuilder temp = new StringBuilder(500);
            int i = GetPrivateProfileString(Section, Key, "", temp, 500, this.inipath);
            return temp.ToString();
        }

        public string IniReadValueDefault(string Section, string Key,string DefaultValue)
        {
            StringBuilder temp = new StringBuilder(500);
            int i = GetPrivateProfileString(Section, Key, "", temp, 500, this.inipath);
            if (temp.ToString() == "")
            {
                return DefaultValue;
            }
            else
            {
                return temp.ToString();
            }
        }
        ///   <summary>   
        ///   验证文件是否存在   
        ///   </summary>   
        ///   <returns>布尔值</returns>   
        public bool ExistINIFile()
        {
            return File.Exists(inipath);
        }
    }
}
